In a lunar eclipse the moon appears darkened as it passes into the Earth's shadow.
Lunar eclipses occur when the Earth moves directly between the sun and the moon. The blood moon will be visible to the naked eye providing clouds stay out of the way.
This happens because blue light undergoes stronger atmospheric scattering, so red light will be the most dominant color highlighted as sunlight passes through our atmosphere and casts it on the moon.
The last lunar eclipse in 2015.
Another great astronomical event will also take place that night as the Earth is also scheduled to be perfectly aligned with the sun and Mars.
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Thai PBS reports that the total phase of the eclipse - called the totality, when the earth blocks out all light from the sun falling on the moon - will span 1 hour and 43 minutes.
The Middle East: Limassol and Dubai will offer some of the best views of the full eclipse beginning at 10:30 p.m. and 11:30 p.m local time.
Petro added that the totality of the lunar eclipse will last for an hour and about 42 minutes. The last time a total lunar eclipse lasted almost as long was on July 16, 2000, with a total duration of one hour and 46 minutes. And while Australians will be able to see the lunar eclipse as the Moon sets, those in eastern Brazil and western Europe will see it as the Moon is rising.
And this is no regular lunar eclipse.
On the evening of 27 July, we are waiting for a total lunar Eclipse. However, Indians won't be fortunate in light of the continuous rainstorm season in the nation which may make the moon be eclipse from seeing. "Don't miss Mars - the bright orange "star" near the moon on eclipse night", the ASSA said.
Blood Moon is coming this Friday - on 27 July - so if you've got big plans you might want to put them on hold. Mars will be nearing its closest approach to Earth since 2003, making it look very bright in the sky.